package org.litesoft.sandbox.multimodule.foundation.client;

import org.litesoft.sandbox.anywhere.die.*;
import org.litesoft.sandbox.infrastructure.client.*;

import com.google.gwt.place.shared.*;

public class ClientFactoryImpl implements ClientFactory {
    private PlaceChanger mPlaceChanger;
    private MessageUserSink mMessageUserSink;

    private final Die mDie = new Die();

    @Override
    public MessageUserSink getMessageUserSink() {
        MessageUserSink messageUserSink = this.mMessageUserSink; // snag a copy, in case the setter is called
        return (messageUserSink != null) ? messageUserSink : DefaultMessageUserSink.INSTANCE;
    }

    @Override
    public Place getWhere() {
        return mPlaceChanger.getWhere();
    }

    @Override
    public GoToPlace goTo( Place pNewPlace ) {
        GoToPlace zGoToPlace = mPlaceChanger.goTo( pNewPlace );
        mMessageUserSink.clearMessage();
        if ( zGoToPlace != null ) {
            switch ( zGoToPlace ) {
                case NoActivity:
                    mMessageUserSink.setErrorMessage( "No Activity for " + PlaceIdExtractor.getPlaceId( pNewPlace ) );
                    break;
                case AlreadyThere:
                    mMessageUserSink.setWarningMessage( "Already There" );
                    break;
                case CurrentActivityRejectedLeaving:
                    mMessageUserSink.setInfoMessage( "Action Rejected" );
                    break;
            }
        }
        return zGoToPlace;
    }

    @Override
    public Die getDie() {
        return mDie;
    }

    @Override
    public void adjustDieFor( Places pPlaceID ) {
        mDie.makeResult( pPlaceID.ordinal() );
    }

    public void setPlaceChanger( PlaceChanger pPlaceChanger ) {
        mPlaceChanger = pPlaceChanger;
    }

    public void setMessageUserSink( MessageUserSink messageUserSink ) {
        this.mMessageUserSink = messageUserSink;
    }
}